[Bug debug/98716] [11 Regression] sanitizer regressions by r11-6755

jakub at gcc dot gnu.org gcc-bugzilla@gcc.gnu.org
Mon Jan 18 10:41:50 GMT 2021


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98716

--- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
The failed asan tests are all with -flto, and the changes in the output are
from:
WRITE of size 1 at 0x7ffeab2b5d8a thread T0
    #0 0x401288 in foo
/home/jakub/src/gcc/gcc/testsuite/c-c++-common/asan/alloca_big_alignment.c:11
    #1 0x4010c4 in main
/home/jakub/src/gcc/gcc/testsuite/c-c++-common/asan/alloca_big_alignment.c:15
    #2 0x7f9c719311a1 in __libc_start_main (/lib64/libc.so.6+0x281a1)
    #3 0x40112d in _start
(/home/jakub/src/gcc/obj66/gcc/testsuite/gcc6/alloca_big_alignment.exe+0x40112d)
like output to:
WRITE of size 1 at 0x7ffe337c4b0a thread T0
    #0 0x401288 in foo gcc/obj2/gcc/testsuite/gcc3/<artificial>:11
    #1 0x4010c4 in main gcc/obj2/gcc/testsuite/gcc3/<artificial>:15
    #2 0x7efe2df801a1 in __libc_start_main (/lib64/libc.so.6+0x281a1)
    #3 0x40112d in _start
(gcc/obj2/gcc/testsuite/gcc3/alloca_big_alignment.exe+0x40112d)


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